97896961 has 2 divisors, whose sum is σ = 97896962. Its totient is φ = 97896960.

The previous prime is 97896913. The next prime is 97896973. The reversal of 97896961 is 16969879.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61716736 + 36180225 = 7856^2 + 6015^2 .

It is a cyclic number.

It is not a de Polignac number, because 97896961 - 2²⁵ = 64342529 is a prime.

It is not a weakly prime, because it can be changed into another prime (97896991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48948480 + 48948481.

It is an arithmetic number, because the mean of its divisors is an integer number (48948481).

Almost surely, 2^97896961 is an apocalyptic number.

It is an amenable number.

97896961 is a deficient number, since it is larger than the sum of its proper divisors (1).

97896961 is an equidigital number, since it uses as much as digits as its factorization.

97896961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1469664, while the sum is 55.

The square root of 97896961 is about 9894.2893125277. The cubic root of 97896961 is about 460.8819892956.

The spelling of 97896961 in words is "ninety-seven million, eight hundred ninety-six thousand, nine hundred sixty-one".